mailsnd1.pas

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procedure TSmtpTestForm.FormClose(Sender: TObject;
  var Action: TCloseAction);
var
    IniFile : TIniFile;
begin
    IniFile := TIniFile.Create(FIniFileName);
    IniFile.WriteString(SectionData, KeyHost,      HostEdit.Text);
    IniFile.WriteString(SectionData, KeyPort,      PortEdit.Text);
    IniFile.WriteString(SectionData, KeyFrom,      FromEdit.Text);
    IniFile.WriteString(SectionData, KeyTo,        ToEdit.Text);
    IniFile.WriteString(SectionData, KeyCc,        CcEdit.Text);
    IniFile.WriteString(SectionData, KeyBcc,       BccEdit.Text);
    IniFile.WriteString(SectionData, KeySubject,   SubjectEdit.Text);
    IniFile.WriteString(SectionData, KeySignOn,    SignOnEdit.Text);
    IniFile.WriteString(SectionData, KeyUser,      UsernameEdit.Text);
    IniFile.WriteString(SectionData, KeyPass,      PasswordEdit.Text);
    IniFile.WriteInteger(SectionData, KeyAuth,     AuthComboBox.ItemIndex);
    IniFile.WriteInteger(SectionData, KeyPriority, PriorityComboBox.ItemIndex);
    IniFile.WriteInteger(SectionData, KeyConfirm,  Ord(ConfirmCheckBox.Checked));
    SaveStringsToIniFile(FIniFileName, SectionFileAttach,
                         KeyFileAttach, FileAttachMemo.Lines);
    SaveStringsToIniFile(FIniFileName, SectionMsgMemo,
                         KeyMsgMemo, MsgMemo.Lines);
    IniFile.WriteInteger(SectionWindow, KeyTop,    Top);
    IniFile.WriteInteger(SectionWindow, KeyLeft,   Left);
    IniFile.WriteInteger(SectionWindow, KeyWidth,  Width);
    IniFile.WriteInteger(SectionWindow, KeyHeight, Height);
    IniFile.Free;
end;


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{$IFDEF VER80}
function TrimRight(Str : String) : String;
var
    i : Integer;
begin
    i := Length(Str);
    while (i > 0) and (Str[i] = ' ') do
        i := i - 1;
    Result := Copy(Str, 1, i);
end;


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function TrimLeft(Str : String) : String;
var
    i : Integer;
begin
    if Str[1] <> ' ' then
        Result := Str
    else begin
        i := 1;
        while (i <= Length(Str)) and (Str[i] = ' ') do
            i := i + 1;
        Result := Copy(Str, i, Length(Str) - i + 1);
    end;
end;


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function Trim(Str : String) : String;
begin
    Result := TrimLeft(TrimRight(Str));
end;
{$ENDIF}


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procedure TSmtpTestForm.SmtpClientDisplay(Sender: TObject; Msg: String);
begin
    Display(Msg);
end;


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procedure TSmtpTestForm.SmtpClientGetData(
    Sender  : TObject;
    LineNum : Integer;
    MsgLine : Pointer;
    MaxLen  : Integer;
    var More: Boolean);
var
    Len : Integer;
begin
    if LineNum > MsgMemo.Lines.count then
        More := FALSE
    else begin
        Len := Length(MsgMemo.Lines[LineNum - 1]);
        { Truncate the line if too long (should wrap to next line) }
        if Len >= MaxLen then
            StrPCopy(MsgLine, Copy(MsgMemo.Lines[LineNum - 1], 1, MaxLen - 1))
        else
            StrPCopy(MsgLine, MsgMemo.Lines[LineNum - 1]);
    end;
end;


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procedure TSmtpTestForm.SmtpClientHeaderLine(
    Sender : TObject;
    Msg    : Pointer;
    Size   : Integer);
begin
    { This demonstrate how to add a line to the message header              }
    { Just detect one of the header lines and add text at the end of this   }
    { line. Use #13#10 to form a new line                                   }
    { Here we check for the From: header line and add a Comments: line      }
    if StrLIComp(Msg, 'From:', 5) = 0 then
        StrCat(Msg, #13#10 + 'Comments: This is a test');
end;


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procedure TSmtpTestForm.ClearDisplayButtonClick(Sender: TObject);
begin
    DisplayMemo.Clear;
end;


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procedure TSmtpTestForm.ExceptionHandler(Sender: TObject; E: Exception);
begin
    Application.ShowException(E);
end;


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{ Connect to the mail server }
procedure TSmtpTestForm.ConnectButtonClick(Sender: TObject);
begin
    FAllInOneFlag   := FALSE;
    SmtpClient.Host := HostEdit.Text;
    SmtpClient.Port := PortEdit.Text;
    SmtpClient.HdrPriority := TSmtpPriority(PriorityComboBox.ItemIndex);
    SmtpClient.Connect;
end;


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{ Send HELO command with our local identification }
procedure TSmtpTestForm.HeloButtonClick(Sender: TObject);
begin
    FAllInOneFlag              := FALSE;
    SmtpClient.SignOn          := SignOnEdit.Text;
    SmtpClient.Helo;
end;


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procedure TSmtpTestForm.EhloButtonClick(Sender: TObject);
begin
    FAllInOneFlag              := FALSE;
    SmtpClient.SignOn          := SignOnEdit.Text;
    SmtpClient.EHlo;
end;


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procedure TSmtpTestForm.AuthButtonClick(Sender: TObject);
begin
    FAllInOneFlag              := FALSE;
    SmtpClient.Username        := UsernameEdit.Text;
    SmtpClient.Password        := PasswordEdit.Text;
    SmtpClient.AuthType        := TSmtpAuthType(AuthComboBox.ItemIndex);
    SmtpClient.Auth;
end;


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{ If smtpAuthNone is seleted then Open combines methods Connect and Helo.   }
{  If any other authentication type is selected then Open combines methods  }
{  Connect, Ehlo and Auth.                                                  }
procedure TSmtpTestForm.OpenButtonClick(Sender: TObject);
begin
    FAllInOneFlag              := FALSE;
    SmtpClient.Host            := HostEdit.Text;
    SmtpClient.Port            := PortEdit.Text;
    SmtpClient.SignOn          := SignOnEdit.Text;
    SmtpClient.Username        := UsernameEdit.Text;
    SmtpClient.Password        := PasswordEdit.Text;
    SmtpClient.AuthType        := TSmtpAuthType(AuthComboBox.ItemIndex);
    SmtpClient.HdrPriority     := TSmtpPriority(PriorityComboBox.ItemIndex);
    SmtpClient.Open;
end;


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{ Send originator }
procedure TSmtpTestForm.MailFromButtonClick(Sender: TObject);
begin
    FAllInOneFlag              := FALSE;
    SmtpClient.FromName        := FromEdit.Text;
    SmtpClient.MailFrom;
end;


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{ Send recipients }
procedure TSmtpTestForm.RcptToButtonClick(Sender: TObject);
begin
    FAllInOneFlag              := FALSE;
    SmtpClient.RcptName.Clear;
    SmtpClient.RcptNameAdd(ToEdit.Text, CcEdit.Text, BccEdit.text);
    SmtpClient.RcptTo;
end;


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{ Send text and attached files to mail server }
procedure TSmtpTestForm.DataButtonClick(Sender: TObject);
begin
    FAllInOneFlag              := FALSE;
    SmtpClient.RcptName.Clear;
    SmtpClient.RcptNameAdd(ToEdit.Text, CcEdit.Text, BccEdit.text);
    SmtpClient.HdrFrom         := FromEdit.Text;
    SmtpClient.HdrTo           := ToEdit.Text;
    SmtpClient.HdrCc           := CcEdit.Text;
    SmtpClient.HdrSubject      := SubjectEdit.Text;
    SmtpClient.EmailFiles      := FileAttachMemo.Lines;
    SmtpClient.ConfirmReceipt  := ConfirmCheckBox.Checked;
    SmtpClient.Data;
end;


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{ MailFrom, RcptTo and Data methods combined }
procedure TSmtpTestForm.MailButtonClick(Sender: TObject);
begin
    FAllInOneFlag              := FALSE;
    SmtpClient.RcptName.Clear;
    SmtpClient.RcptNameAdd(ToEdit.Text, CcEdit.Text, BccEdit.text);
    SmtpClient.HdrFrom         := FromEdit.Text;
    SmtpClient.HdrTo           := ToEdit.Text;
    SmtpClient.HdrCc           := CcEdit.Text;
    SmtpClient.HdrSubject      := SubjectEdit.Text;
    SmtpClient.SignOn          := SignOnEdit.Text;
    SmtpClient.FromName        := FromEdit.Text;
    SmtpClient.EmailFiles      := FileAttachMemo.Lines;
    SmtpClient.Host            := HostEdit.Text;
    SmtpClient.Port            := PortEdit.Text;
    SmtpClient.Mail;
end;


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procedure TSmtpTestForm.QuitButtonClick(Sender: TObject);
begin
    FAllInOneFlag              := FALSE;
    SmtpClient.Quit;
end;


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procedure TSmtpTestForm.AbortButtonClick(Sender: TObject);
begin
    FAllInOneFlag := FALSE;
    SmtpClient.Abort;
end;


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procedure TSmtpTestForm.SmtpClientRequestDone(
    Sender : TObject;
    RqType : TSmtpRequest;
    Error  : Word);
begin
    { For every operation, we display the status }
    if (Error > 0) and  (Error < 10000) then
        Display('RequestDone Rq=' + IntToStr(Ord(RqType)) +
                    ' Error='+ SmtpClient.ErrorMessage)
    else
        Display('RequestDone Rq=' + IntToStr(Ord(RqType)) +
                            ' Error='+ IntToStr(Error));
    { Check if the user has asked for "All-In-One" demo }
    if not FAllInOneFlag then
        Exit;             { No, nothing more to do here }
    { We are in "All-In-One" demo, start next operation }
    { But first check if previous one was OK            }
    if Error <> 0 then begin
        FAllInOneFlag := FALSE;   { Terminate All-In-One demo }
        Display('Error, stoped All-In-One demo');
        Exit;
    end;
    case RqType of
    smtpConnect:  begin
                      if SmtpClient.AuthType = smtpAuthNone then
                          SmtpClient.Helo
                      else
                          SmtpClient.Ehlo;
                  end;
    smtpHelo:     SmtpClient.MailFrom;
    smtpEhlo:     SmtpClient.Auth;
    smtpAuth:     SmtpClient.MailFrom;
    smtpMailFrom: SmtpClient.RcptTo;
    smtpRcptTo:   SmtpClient.Data;
    smtpData:     SmtpClient.Quit;
    smtpQuit:     Display('All-In-One done !');
    end;
end;


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procedure TSmtpTestForm.AllInOneButtonClick(Sender: TObject);
begin
    if SmtpClient.Connected then begin
        MessageBeep(MB_OK);
        Display('All-In-One demo start in non connected state.');
        Display('Please quit or abort the connection first.');
        Exit;
    end;

    FAllInOneFlag          := TRUE;

    { Initialize all SMTP component properties from our GUI }
    SmtpClient.Host           := HostEdit.Text;
    SmtpClient.Port           := PortEdit.Text;
    SmtpClient.SignOn         := SignOnEdit.Text;
    SmtpClient.FromName       := FromEdit.Text;
    SmtpClient.HdrFrom        := FromEdit.Text;
    SmtpClient.HdrTo          := ToEdit.Text;
    SmtpClient.HdrCc          := CcEdit.Text;
    SmtpClient.HdrSubject     := SubjectEdit.Text; { + #13#10#9 + ' Testing continuation line !'};
    SmtpClient.EmailFiles     := FileAttachMemo.Lines;
    SmtpClient.AuthType       := TSmtpAuthType(AuthComboBox.ItemIndex);
    SmtpClient.Username       := UsernameEdit.Text;
    SmtpClient.Password       := PasswordEdit.Text;
    SmtpClient.HdrPriority    := TSmtpPriority(PriorityComboBox.ItemIndex);
    SmtpClient.ConfirmReceipt := ConfirmCheckBox.Checked;
    { Recipient list is computed from To, Cc and Bcc fields }
    SmtpClient.RcptName.Clear;
    SmtpClient.RcptNameAdd(ToEdit.Text, CcEdit.Text, BccEdit.text);
    Display('Connecting to SMTP server...');
    { Start first operation to do to send an email          }
    { Next operations are started from OnRequestDone event  }
    SmtpClient.Connect
end;


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end.